# Idle Shiba vs Supernova

The clearest difference is rating: Idle Shiba at 5.0 against Supernova's 4.4. Idle Shiba also leads on in-app purchases (none vs 10) and review sentiment (100% vs 90%). Supernova's advantage is ads (none vs shown) and ratings volume (52 vs 2). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Supernova sells 10 one-off in-app purchases. Idle Shiba asks for nothing beyond the download.

Idle Shiba holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Supernova has 52 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Idle Shiba's written reviews are positive against 90% of Supernova's.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Idle Shiba | Supernova |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/idle-shiba/id6759396547/reviews)** | [4.4 (52 ratings)](https://appshunter.io/ios/app/supernova-idle-star-forge/id6779555607/reviews) |
| Number of ratings | 2 | **52** |
| Positive reviews | **100.0% of reviews** | 90.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 111 MB | 15 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [AARON ASPINWALL](https://appshunter.io/developer/1878428442) | [HUGO ANATOLE PAUL MORICEAU](https://appshunter.io/developer/1845368412) |

## What reviewers say

### Idle Shiba

[App page](https://appshunter.io/ios/app/idle-shiba/id6759396547)

Help an ambitious Shiba Inu rise from humble village beginnings to the top of the city. This idle game offers relaxing progression, earning rewards even when you're offline. Spin the wheel and play mini-games to accelerate your Shiba's journey.

**Highlights:** Relaxing idle progression, Offline earnings, Village to city journey, Reward wheel and mini-games, Multiple upgrade stages

**Features:** macOS Compatibility

**In-app purchases:** none


### Supernova

[App page](https://appshunter.io/ios/app/supernova-idle-star-forge/id6779555607)

An idle space tycoon game where you fuse hydrogen to grow and detonate stars. Earn permanent power-ups with each supernova to accelerate future runs. Features offline progress and a visually evolving star.

**Highlights:** Fuse hydrogen to create and grow stars, Offline progress and production, Visually evolving star stages, Prestige system with supernova cinematics, Deep multiplier stacking and research upgrades, Daily missions and streaks, Fully offline gameplay

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Photons | $0.99 | one-time |
| Time Warp: 4 Hours | $1.99 | one-time |
| Break the Piggy Bank | $2.99 | one-time |
| Automation Core | $3.99 | one-time |
| Supporter Pack | $4.99 | one-time |
| Time Warp: 24 Hours | $4.99 | one-time |
| 300 Photons | $4.99 | one-time |
| 700 Photons | $9.99 | one-time |
| Time Warp: 7 Days | $14.99 | one-time |
| 1600 Photons | $19.99 | one-time |


## Frequently asked questions

### Is Idle Shiba free?

Idle Shiba is free to download, with no in-app purchases.

### Is Supernova free?

Supernova is free to download, with in-app purchases available.

### Which has better reviews, Idle Shiba or Supernova?

Idle Shiba is rated higher. Idle Shiba averages 5.0 out of 5 from 2 ratings, while Supernova averages 4.4 from 52 ratings.

### Do Idle Shiba or Supernova have ads?

Idle Shiba shows ads; Supernova does not.

### Which is updated more often, Idle Shiba or Supernova?

Idle Shiba ships an update every 2 days, and Supernova every 2 days. Most recently, Idle Shiba was updated on September 21, 2026 and Supernova on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*